Detailed observations on bark damage caused by the grey tiger longhorned beetle (Xylotrechus rusticus L

Author of the article:LI JueWen1REN LiLi1LI Chun2LUO YouQing1

Author's Workplace：1.The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing100083, China; 2. Quarantine and Control Station of Forest Pests in HeilongjiangProvince,Haerbin150090, China

Key Words：Xylotrechus rusticus, gallery features, biology characteristics

Abstract：    The grey tiger longhorned beetle (Xylotrechus rusticus L.) is one of the most serious insect pests of poplar in northeastern China in recent years. The beetle mainly infests the trunk of trees with a DBH over 20 cm.The beetle larvae can ringbark trees thereby increasing the risk of wind damage. We here present the first detailed observations of the damage caused by this beetle. Three dimensional gallery features have been drawn to illustrate different damage stages, and corresponding pictures of bark and phloem are provided to guide monitoring and detection of this pest.